Metallurgical furnace.



N0. 647,6fi3. 1 Patehted Apr. [7, I900. W. & J. LANYUN. METALLURGICALFURNACE. (Application filed May 25, 1898.) (No Model.) 4 Sheets-$heetTHE NORRli gen-ins cc" PNOTOLITHOW WASHINGTON, an.

Patented Apr. I7, [900. W. &. J. LANYON. METALLURGICAL FURNACE (Alicafion flIed May 25, 1898.)

4 Sheats8heat 24 No. 64?,fi63. I Patented Apr. 17, I900; w. a J. LANYON.METALLURGICAL FURNACE.

(Application filed May 25, 1898.)

(No Model.) 4 Sheets-4MB! 3.

Patented Apr'. l7, I900.

W. & J. LANYON.

4 sheets-sneer 4. pa.

METALLURGICAL FURNACE.

(Application filed May 25, 1898.)

{No Model.)

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UwrTnn STATES PATENT Grrrcii.

WILLIAM LANYON AND JOSIAH LANYON, OF PITTSBURG, KANSAS.

Ni ETALLURGICAL FURNACE.

SPECIFICATION forming part of Letters Patent no. 647,663, dated April17, 1906. Application filed May25, 1898. Serial No- 681,713. (Nomodeh)T0 (til whom it may concern.-

Be it known that we, WILLIA .LANYON and JOSIAH LANYON, citizens of theUnited States, residing at Pittsburg, in the county of Crawford andState of Kansas, have invented certain new and useful Improvements inMetallurgical Furnaces: and we do hereby declare the following to be afull, clear, and exact description of the invention, as such will enableothers skilled in the art to which it appertains to make and use thesame.

Our invention relates to improvements in metallurgical furnaces.

The object of our invention is to provide a plant particularly adaptedfor the smelting of metals, which will require less labor to operatethan any such plants hitherto known to us.

With this object in view our invention consists in the features, detailsof construction, and combination of parts which will first be describedin connection with the accompanying drawings and then particularlypointed out in the claims.

In the drawings, Figure l is a transverse section of a block of furnacesand a collar beneath the same embodying our invention, this sectionbeing taken on the line 1 1, Fig. 2 Fig. 2, a front elevation of theblock of furnaces, some of the retorts being removed, the cellar beingshown in dotted lines; Fig. 3, a detail plan view showing afurnace-shield near one end of the track, a portion of one corner of theblock of furnaces, and the screen near one end of the same; Fig. 4, aplan of the entire plant; Fig. 5, a sectional view of the screeningapparatus, and Fig. 6, a front elevation of the same.

Referring to the drawings, A, Figs. 1 and 2, are retorts constructed inthe usual manner wit-h closed rear ends and open front ends, theseretorts being set in a furnace in such a manner as to slope rearward,being in the present instance supported at the rear by a central wall Band at the front by bearingbars 13' of any desired construction carriedby buckstays B B, Fig. 6, which extend vertically at intervals along thesides of the furnace and are tied together in the usual manner bytie-rods B at the top and bottom of the furnace.

The top of the furnace is arched over, as indicated at B and the bottomof the furnace socketm on the main conduit.

is formed of brickwork or the like, as shown at B. Suitable ends 13 Bare formed, one of said ends 13 having openings B, arranged to permitthe passage of the products of combustion to stacks D D.

E are condensers constructed in the usual way, conical in form and eachprovided with a rear curtain-wall and a front tappinghole, as indicatedat e, arranged to be closed, when desired, by a plug of fire-clay or thelike. The condensers are so constructed that their larger rear ends maybe inserted into the front ends of the respective retorts A, beingsuitably luted in place, in a well-known manner, in order to connect thecondenser and retort so that the products of distillation can pass fromthe retort to the condenser. In order to support the outer ends of thesecondensers E, any suitable means may be employed as, for example, theswinging arms 0, Fig. 2.

The buckstays B 13" may be of any usual or preferred construction, andcertain of them are provided with suitable means for supplying eitherair, gas, or air and gas to the furnace-such, for example as shown inour Letters Patent No. 621,576, dated March 21, 1899.

Each block of furnaces, comprising two series of retorts placed back toback, is located over a cellar wider than the f urnace-block and havingan arched roof L, the cellar extending the full length of the block offurnaces, the spaces immediately over each hip of the arched roof beingleft open, as shown at Z, Fig. 1. Over each space at the level of thefloor is a grating Z, Figs. 1 and 3. The arched roof of the cellar isstrengthened by tie-rods Z and the hips of the arch are perforated atfrequent intervals for the reception of the outer ends of branchconduits extending in an incline downward to the center of thecellar-floor, where they are connected to a main conduit M, preferablyembedded in the floor of the cellar.

Each branch conduit is constructed of two parts, the outer part being anipple m, extending through the hip of the arched roof L and securedtherein, the other part, 1%, being telescopically arranged on the innerend of the nipple m and having its lower end inserted snugly, butdetachably, into a bell-shaped By this construction the portion m ofeach conduit may 2% a iases he slipped out of place and entirely removedwhen desired. In the nipples m are placed sliding cut-offs m At one endof the cellar the main conduit M extends some distance beyond the blockof ably located enough above the ground or floor to permit a car 0 cart,or the like to be run beneath. the hopper, the latterhavin g an openingin its bottom. Beneath the screen 0 is placed a chute O sloping inadirection opposite to the slope of the screen and arranged to catch thematerial passing through the 4 screen and deliver it to a car or thelike.

In connection with each series of retorts of a block of furnaces afurnace-shield is employed for protecting the workmen from the heat ofthe furnace when cleaning out the retorts. This shield is of any usualor preferred construction, and it is provided with the necessary openingor openings to permit access to the retorts. The particular form shownin this application is that shown and claim ed in our Patent No.621,577, dated March 2l, 1899. This shield is carried by means ofhangers 19 from grooved rollers 19', arranged to run on a track P,secured overhead in some suitable manner, as by brackets p attached tothe intermediate buckstays B In order to prevent the shield fromswinging laterally, it is provided on its rear face at the lower endwith one or more inward-extending arms 13, carrying rollers 19',arranged in pairs which run on opposite sides of a lower track P fixedin any suitable manner to the furnace, preferably about the level of thefurnace-floor.

The operation of our plant is as follows: Assuming that the condensers Ehave been removed and a. charge from which zinc is distilled introducedinto the retorts A in the usual manner the condensers are thereuponreplaced. The furnace is then heated in any ordinary manner, but usuallyby supplying air and gas through the hollow buckstays, the fan F beingstarted in operation. The products of combustion escape through theopenings 13 into the stacks D D. The metal being volatilized in theretorts escapes to the condenser and is there condensed to its moltencondition in the usual manner and is drawn 01f from time to time. When arow of retorts has been exhausted by the distillation of all its metal,the condensers are'first removed in the usual manner, whereupon thefurnaceshield is brought into operation and the residues of distillationare withdrawn. The material thus removed from the retorts falls throughthe wire screen or grating Z, those pieces which are too large to passthrough the meshes of said screen being caught on the screen and removedin carts, barrows, or wagons, while the finer portions pass through theopen space Z and through the branch conduit m m to the main conduit M,the material being drawn through said conduit by the action of the fan Nand discharged onto the apron o, from which it slides onto the screen0'', where the ashes and slag fall through the screenbars and slide downthe chute 0 While the cinders or coke, which are generally larger thanthe accompanying materials, are discharged into the hopper O and fallfrom there into a suitable cart, wagon, or car 0 to be removedforfurther use. In case of the stoppage of any one of the branchconduits m m the portion m may be removed by slipping its end out of thesocket m and then removing said end upward and drawing the upper end ofthe said portion m off the inner end of the nipple portion m, therebeing enough play in the connection of the outer end of the portion mand the inner end of the nipple m to permit this, it being understoodthat the gate or cut-off m 'is closed first In case of the main conduitbecoming plugged, so that it will not remove the material, the portionsm of all the branch pipes may be removed and the cut-offs m opened,thereby allowing the material coming from the furnace to pass into thecellar, from which place it may be removed manually until the conduithas been cleared ready for operation again.

Having thus fully described our invention, what we claim .as new, anddesire to secure by Letters Patent of the United States, is-

1. The combination,with a screen, and a retort arranged to dischargeonto said screen,

of a conduit having an opening below said screen, and means for movingthrough the said conduit.

2. The combination, with series of retorts located above the level ofthe furnace-room floor, and a cellar beneath said retorts and below thefurnace-room floor, of a conduit having its end projecting through thecellarwall and opening beyond the outer ends of the retort, a screenlocated substantially at the level of the furnace-room floor, over theend of the conduit and arranged to receive the discharge from theretorts, and means for moving material through the said conduit.

3. The combination, with a block of furnaces, provided with retorts, anda cellar beneath said furnaces and arranged to extend beyond theretorts, of a branch conduit opening through the cellar-wall andarranged to receive the discharge from the retorts, a main conduit inconnection with the branch conduit, and means for transporting materialthrough said conduits.

1. The combination, with a block of furnaces, and cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which furnaces may discharge, of a pluralityof branch conduits extending through and opening outside the hips ofsaid arched roof, and

material means for transporting material through the branch conduits.

5. The combination, with a block of furnaces, and a cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which the furnaces may discharge, of aplurality of branch conduits extending through and opening outside thehips of said arched roof, a main conduit connected to said branchconduit, and means for moving material through the main conduits.

6. The combination, with a block of furnaces, and cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which the furnaces may discharge, of aplurality of branch conduits extending through and opening outside thehips of said arched roof, said branch conduits having removableportions, a main conduit connected to said branch conduits, and meansfor moving material through the conduits.

7. The combination, with a block of furnaces, and a cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which the furnaces may discharge, of aplurality of branch conduits extending through and opening outside thehips of said arched roof, said branch conduits being provided withcut-offs and having removable portions, a main con duit connected withsaid branch conduits, and means for moving material through theconduits.

8. The combination, with a furnace, anda cellar arranged longitudinallybeneath and wider than the block of furnaces, of a branch conduitextending beyond the cellar and open at its outer end, a retort in thefurnace having its end arranged to discharge into the open end of thebranch conduit, means for removing material from said branch conduit,and a screening device onto which said means discharges the material.

9. The combination, with a block of furnaces, and a cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which said furnaces may discharge, of aplurality 1 of branch conduits extending through and opening outside thehips of said arched roof, a main conduit in communication with thebranch conduits, a screening device, and a fan arranged to move materialthrough the conduits and discharge it onto the screening device.

10. The combination, with a block of furnaces, and cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof onto which said furnaces may discharge, of aplurality of branch conduits extending through and opening outside thehips of said arched roof, said branch cut-off being provided withremovable portions, a main conduit in communication with the branchconduit, a screening device, and a fan arranged to move material throughthe conduits and discharge said material onto the screening device.

11. The combination, with a block of furnaces, and a cellar arrangedlongitudinally beneath and wider than the block of furnaces, said cellarhaving an arched roof, of a plurality of branch conduits extendingthrough and opening outside the hips of the arched roof, a plurality ofretorts in the block of fur naces and arranged to discharge onto thehips of the arched roof, :1. main conduit connected to the branchconduits, a screening device, and means for moving material through theconduits and discharging it onto the screening device.

12. The combination, with a block of furnaces, a plurality of retortstherein, and a cellar arranged longitudinally beneath the block offurnaces, said cellar having openings through which the discharge fromthe retorts may fall,- of tracks in front of the furnaces, and afire-shield mounted on said tracks outside of said openings and providedwith apertures to permit access to the retorts, substantially asdescribed.

In testimony whereof we affix our signa tures in presence of twowitnesses.

XVILLIAM LANYON. JOSIAH LANYON.

\Vitnesses:

O. T. BOAZ, ADDIE ISNARD.

